> For the complete documentation index, see [llms.txt](https://docs.flipabit.dev/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.flipabit.dev/data-and-backend.md).

# Data & backend

- [Airtable](https://docs.flipabit.dev/data-and-backend/airtable.md): Airtable is a cross between a spreadsheet and a database.
- [Google Sheets](https://docs.flipabit.dev/data-and-backend/google-sheets.md): Google Sheets is widely used for collaborating on spreadsheets across geographical locations. Multiple users can modify a Google Sheets document in real time.